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Finding the Fourth Proportional to 2,503.53, 3,469.50 and 2,468.30

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Solution

The fourth proportional to 2,503.53, 3,469.50 and 2,468.30 is: 3,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.53 : 3,469.50 = 2,468.30 : x
  2. Step 2: Convert to fraction form
    2,503.53/3,469.50 = 2,468.30/x
  3. Step 3: Cross multiply
    2,503.53x = 3,469.50 × 2,468.30
  4. Step 4: Simplify right side
    2,503.53x = 8,563,749.50
  5. Step 5: Solve for x
    x = 8,563,749.50/2,503.53
  6. Step 6: Final answer
    x = 3,420.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.